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126901260 = 2232517113367
BaseRepresentation
bin1111001000001…
…01110000001100
322211210020210200
413210011300030
5224441320020
620331533500
73100433343
oct744056014
9284706720
10126901260
11656a5882
12365ba290
13203a2205
1412bd4b5a
15b21a590
hex7905c0c

126901260 has 144 divisors (see below), whose sum is σ = 412304256. Its totient is φ = 31481856.

The previous prime is 126901249. The next prime is 126901261. The reversal of 126901260 is 62109621.

It is a super-2 number, since 2×1269012602 = 32207859579175200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126901261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 345597 + ... + 345963.

It is an arithmetic number, because the mean of its divisors is an integer number (2863224).

Almost surely, 2126901260 is an apocalyptic number.

126901260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126901260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206152128).

126901260 is an abundant number, since it is smaller than the sum of its proper divisors (285402996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126901260 is a wasteful number, since it uses less digits than its factorization.

126901260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 126901260 is about 11265.0459386547. The cubic root of 126901260 is about 502.5222682639.

The spelling of 126901260 in words is "one hundred twenty-six million, nine hundred one thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 113 153 170 180 204 226 255 306 339 340 367 452 510 565 612 678 734 765 1017 1020 1101 1130 1356 1468 1530 1695 1835 1921 2034 2202 2260 3060 3303 3390 3670 3842 4068 4404 5085 5505 5763 6239 6606 6780 7340 7684 9605 10170 11010 11526 12478 13212 16515 17289 18717 19210 20340 22020 23052 24956 28815 31195 33030 34578 37434 38420 41471 56151 57630 62390 66060 69156 74868 82942 86445 93585 112302 115260 124413 124780 165884 172890 187170 207355 224604 248826 280755 345780 373239 374340 414710 497652 561510 622065 705007 746478 829420 1123020 1244130 1410014 1492956 1866195 2115021 2488260 2820028 3525035 3732390 4230042 6345063 7050070 7464780 8460084 10575105 12690126 14100140 21150210 25380252 31725315 42300420 63450630 126901260